EP3252536A4 - Ferritteilchen mit aussenhüllenstruktur - Google Patents

Ferritteilchen mit aussenhüllenstruktur Download PDF

Info

Publication number
EP3252536A4
EP3252536A4 EP16743300.2A EP16743300A EP3252536A4 EP 3252536 A4 EP3252536 A4 EP 3252536A4 EP 16743300 A EP16743300 A EP 16743300A EP 3252536 A4 EP3252536 A4 EP 3252536A4
Authority
EP
European Patent Office
Prior art keywords
outer shell
shell structure
ferrite particles
ferrite
particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16743300.2A
Other languages
English (en)
French (fr)
Other versions
EP3252536A1 (de
Inventor
Koji Aga
Takao Sugiura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Powdertech Co Ltd
Original Assignee
Powdertech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Powdertech Co Ltd filed Critical Powdertech Co Ltd
Publication of EP3252536A1 publication Critical patent/EP3252536A1/de
Publication of EP3252536A4 publication Critical patent/EP3252536A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1139—Inorganic components of coatings
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1131—Coating methods; Structure of coatings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Compounds Of Iron (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
EP16743300.2A 2015-01-28 2016-01-25 Ferritteilchen mit aussenhüllenstruktur Withdrawn EP3252536A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015013793A JP6569173B2 (ja) 2015-01-28 2015-01-28 外殻構造を有するフェライト粒子
PCT/JP2016/052028 WO2016121697A1 (ja) 2015-01-28 2016-01-25 外殻構造を有するフェライト粒子

Publications (2)

Publication Number Publication Date
EP3252536A1 EP3252536A1 (de) 2017-12-06
EP3252536A4 true EP3252536A4 (de) 2018-07-25

Family

ID=56543310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16743300.2A Withdrawn EP3252536A4 (de) 2015-01-28 2016-01-25 Ferritteilchen mit aussenhüllenstruktur

Country Status (5)

Country Link
US (1) US10585369B2 (de)
EP (1) EP3252536A4 (de)
JP (1) JP6569173B2 (de)
TW (1) TWI702481B (de)
WO (1) WO2016121697A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6493727B2 (ja) * 2014-09-19 2019-04-03 パウダーテック株式会社 球状フェライト粉、該球状フェライト粉を含有する樹脂組成物、及び該樹脂組成物を用いた成型体
JP6225400B2 (ja) * 2015-01-28 2017-11-08 パウダーテック株式会社 外殻構造を有する触媒担持体用フェライト粒子
JP2018109703A (ja) * 2017-01-04 2018-07-12 パウダーテック株式会社 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤
JP2018109704A (ja) * 2017-01-04 2018-07-12 パウダーテック株式会社 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993012470A1 (de) * 1991-12-12 1993-06-24 Basf Aktiengesellschaft Als carrier für die elektrophotographie geeignete teilchen
JP2010243798A (ja) * 2009-04-07 2010-10-28 Powdertech Co Ltd 電子写真現像剤用キャリア芯材、キャリア及びこれらの製造方法、並びに該キャリアを用いた電子写真現像剤
US20110129772A1 (en) * 2009-11-27 2011-06-02 Powdertech Co., Ltd. Porous ferrite core material for electrophotographic developer, resin-filled ferrite carrier and electrophotographic developer using the ferrite carrier
US20110236820A1 (en) * 2010-03-23 2011-09-29 Fuji Xerox Co., Ltd. Electrostatic charge image development carrier, electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method
JP2014182304A (ja) * 2013-03-19 2014-09-29 Powdertech Co Ltd 電子写真現像剤用フェライトキャリア芯材及びフェライトキャリア、並びに該フェライトキャリアを用いた電子写真現像剤

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727383A1 (de) * 1987-08-17 1989-03-02 Basf Ag Carrier fuer reprographie und verfahren zur herstellung dieser carrier
DE68920778T2 (de) * 1988-05-24 1995-05-18 Anagen Uk Ltd Magnetisch anziehbare Teilchen und Herstellungsverfahren.
US5654120A (en) * 1994-10-05 1997-08-05 Toda Kogyo Corporation Magnetic carrier for electrophotography
WO2001088623A1 (en) * 2000-05-17 2001-11-22 Heidelberg Digital L.L.C. Method for using hard magnetic carriers in an electrographic process
US6723481B2 (en) * 2000-05-17 2004-04-20 Heidelberger Druckmaschinen Ag Method for using hard magnetic carriers in an electrographic process
JP4590303B2 (ja) * 2004-05-13 2010-12-01 キヤノン株式会社 磁性体含有樹脂キャリア及び二成分系現像剤
JP2005345999A (ja) * 2004-06-07 2005-12-15 Sharp Corp キャリアおよび二成分現像剤
JP4625417B2 (ja) * 2005-04-06 2011-02-02 株式会社リコー キャリア及び二成分現像剤
JP4001606B2 (ja) * 2005-05-31 2007-10-31 パウダーテック株式会社 樹脂充填型キャリア及び該キャリアを用いた電子写真現像剤
JP4862181B2 (ja) 2005-06-22 2012-01-25 Ｄｏｗａエレクトロニクス株式会社 電子写真現像用キャリア芯材およびその製造方法、電子写真現像用キャリア、並びに電子写真現像剤
US7670679B2 (en) 2006-05-30 2010-03-02 General Electric Company Core-shell ceramic particulate and method of making
JP4283847B2 (ja) * 2006-12-28 2009-06-24 シャープ株式会社 キャリアおよび二成分現像剤
JP2009258595A (ja) * 2008-03-18 2009-11-05 Powdertech Co Ltd 電子写真現像剤用樹脂充填型キャリア及び該樹脂充填型キャリアを用いた電子写真現像剤
JP5488910B2 (ja) * 2010-06-30 2014-05-14 パウダーテック株式会社 電子写真現像剤用フェライトキャリア芯材及びフェライトキャリア、並びに該フェライトキャリアを用いた電子写真現像剤
JP5629958B2 (ja) 2010-09-06 2014-11-26 パウダーテック株式会社 電子写真現像剤用樹脂充填型フェライトキャリア芯材、フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤
JP5569292B2 (ja) * 2010-09-21 2014-08-13 富士ゼロックス株式会社 静電荷像現像用トナー、静電荷像現像用トナーの製造方法、現像剤、及び、画像形成方法
JP5692766B1 (ja) * 2014-01-20 2015-04-01 パウダーテック株式会社 外殻構造を有するフェライト粒子を用いた電子写真現像剤用フェライトキャリア芯材及びフェライトキャリア、並びに該フェライトキャリアを用いた電子写真現像剤
JP2016061862A (ja) * 2014-09-16 2016-04-25 株式会社東芝 現像剤、トナーカートリッジ及び画像形成装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993012470A1 (de) * 1991-12-12 1993-06-24 Basf Aktiengesellschaft Als carrier für die elektrophotographie geeignete teilchen
JP2010243798A (ja) * 2009-04-07 2010-10-28 Powdertech Co Ltd 電子写真現像剤用キャリア芯材、キャリア及びこれらの製造方法、並びに該キャリアを用いた電子写真現像剤
US20110129772A1 (en) * 2009-11-27 2011-06-02 Powdertech Co., Ltd. Porous ferrite core material for electrophotographic developer, resin-filled ferrite carrier and electrophotographic developer using the ferrite carrier
US20110236820A1 (en) * 2010-03-23 2011-09-29 Fuji Xerox Co., Ltd. Electrostatic charge image development carrier, electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method
JP2014182304A (ja) * 2013-03-19 2014-09-29 Powdertech Co Ltd 電子写真現像剤用フェライトキャリア芯材及びフェライトキャリア、並びに該フェライトキャリアを用いた電子写真現像剤

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016121697A1 *

Also Published As

Publication number Publication date
JP6569173B2 (ja) 2019-09-04
TW201631417A (zh) 2016-09-01
TWI702481B (zh) 2020-08-21
US10585369B2 (en) 2020-03-10
EP3252536A1 (de) 2017-12-06
WO2016121697A1 (ja) 2016-08-04
US20180011414A1 (en) 2018-01-11
JP2016138014A (ja) 2016-08-04

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Effective date: 20180627

RIC1 Information provided on ipc code assigned before grant

Ipc: C01G 49/00 20060101ALI20180621BHEP

Ipc: G03G 9/107 20060101AFI20180621BHEP

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